{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["compare", "evaluate for", "used for", "hyponym of"], "input": "Information extraction techniques automatically create structured databases from unstructured data sources , such as the Web or newswire documents ."}
{"compare": [], "evaluate for": [], "used for": [{"subject": "Information extraction techniques", "object": "structured databases"}, {"subject": "unstructured data sources", "object": "Information extraction techniques"}], "hyponym of": [{"subject": "Web", "object": "unstructured data sources"}, {"subject": "newswire documents", "object": "unstructured data sources"}]}